 | Building - 1909 - 1302 pages
...be based on the rate of heat conductivity. The question of the conductivity of concrete is one which requires further study and investigation before a...girders and columns be protected by a minimum of 2 ins. of concrete ; that the metal in beams be protected by a minimum of 1% ins. of concrete, and that... | |
 | William A. Radford, Alfred Sidney Johnson - Architecture - 1909 - 500 pages
...coating required depends upon the probable duration of a fire which is likely to occur in a structure. For ordinary conditions it is recommended that the...girders and columns be protected by a minimum of 2 inches of concrete, that the metal in beams be protected by a minimum of iy2 inches of concrete, and... | |
 | National Association of Cement Users (U.S.) - Concrete - 1909 - 768 pages
...coating required depends upon the probable duration of a fire which is likely to occur in a structure. For ordinary conditions it is recommended that the...girders and columns be protected by a minimum of 2 inches of concrete, that the metal in beams be protected by a minimum of il/2 inches of concrete, and... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete - 1909 - 1082 pages
...The Committee suggest that "the metal in girders and columns be protected by a minimum of 2 inches of concrete; that the metal in beams be protected by a minimum of i£ inches of concrete, and that the metal in floor slabs be protected by a minimum of i inch of concrete."... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete - 1909 - 914 pages
...recommendations should be followed wherever the conditions are especially hazardous. The Committee suggest that "the metal in girders and columns be protected by a minimum of 2 inches of concrete; that the metal in beams be protected by a minimum of ij inches of concrete, and... | |
 | Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete construction - 1910 - 336 pages
...recommendations should be followed wherever the conditions are especially hazardous. The Committee suggest that "the metal in girders and columns be protected by a minimum of 2 inches of concrete; that the metal in beams be protected by a minimum of 1 1 inches of concrete, and... | |
 | John Pascal Brooks - Reinforced cement - 1911 - 246 pages
...be based on the rate of heat conductivity. The question of the conductivity of concrete is one which requires further study and investigation before a...in girders and columns be protected by a minimum of two inches of concrete; that the metal in beams be protected by a minimum of one and one-half inches... | |
 | John Pascal Brooks - Reinforced cement - 1911 - 240 pages
...conditions it is recommended that the metal in girders and columns be protected by a minimum of two inches of concrete; that the metal in beams be protected by a minimum of one and one-half inches of concrete, and that the metal in floor slabs be protected by a minimum of... | |
 | Leslie Abram Waterbury - Building materials - 1912 - 316 pages
...be based on the rate of heat conductivity. The question of the conductivity of concrete is one which requires further study and investigation before a...the metal in beams be protected by a minimum of i| in. of concrete, and that the metal in floor slabs be protected by a minimum of i in. of concrete.... | |
 | Leslie Abram Waterbury - Building materials - 1912 - 316 pages
...be based on the rate of heat conductivity. The question of the conductivity of concrete is one which requires further study and investigation before a...that the metal in beams be protected by a minimum of 1 j in. of concrete, and that the metal in floor slabs be protected by a minimum of 1 in. of concrete.... | |
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The question of the conductivity of concrete is one which requires further study and investigation before a definite rate for different classes of concrete can be fully established. However, for ordinary conditions it is recommended that the metal in... 
